Fremgangsmåde og apparat til opsamling og/eller fjernelse af slam

摘要

Apparatus for removing solids such as sludge from a liquid reservoir comprising a float, a suction head assembly carrying a pump, and elongated guides interconnecting the suction head assembly and float. The float also carries a winch for raising and lowering the suction head assembly. The guides are slidably engaged with the float and serve to indicate the depth of operation of the suction head assembly.